Related Clues:

• It may get around that this ate for a decade, by the sound of it
• This might be the root of the trouble under your car
• It's nonsense to say there's a hill up there
• Go bad - what nonsence!
• When it comes to be 12 across, that's more like it
• There's no sense in being so bad
• It's decayed up the hill
• Such nonsense may be at the root of the trouble with one's car
• Go to the bad hill up here
• Carrot or beet
• Go bad, as a plum
• Engage in banter
• Back up the hill? Nonsense!
• Undergo decay
• See 17